Yazar "Orak, Hakime Hülya" için listeleme
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Antibacterial and antifungal activity of pomegranate (Punica granatum L.cv.) peel
Punica granatum L, cv. Hicaznar and three different genotypes, which are named genotype 19-121, 17-67and 19-66 which have been obtained at Bati{dotless} Akdeniz Agricultural Research Institute (BATEM) in Antalya, have been ... -
Antioxidant Activity and Total Phenolic Contents of Different Alfalfa (Medicago sativa L.) Varieties Grown in Turkey
Orak, Hakime Hülya; Karamac, Magdalena; Orak, Adnan; Tenikecier, Hazım Serkan; Amarowicz, Ryszard (Centenary University, 2021)Fifteen alfalfa varieties cultivated in Turkey were researched to compare the antioxidant potential of their seeds and find differences between the varieties. The total phenolic (TP) content, DPPH•, and ABTS•+ scavenging ... -
Antioxidant Activity of Extracts of Soursop (Annona muricata L.) Leaves, Fruit Pulps, Peels, and Seeds
Orak, Hakime Hülya; Bahrisefit, İlayda Şevik; Şabudak, Temine (Inst Animal Reproduction & Food Research Polish Acad Sciences Olsztyn, 2019)The total phenolic content (TPC), total flavonoid content (TFC), and the antioxidant activity of soursop (Annona muricata L.) leaf, fruit pulp, seed, and peel extracts obtained using successive extraction with hexane (Hxn), ... -
Antioxidant activity of five new phenolic compounds from Cirsium creticum subsp. creticum
Şabudak, Temine; Özer, Merve; Orak, Hakime Hülya; Çalışkan, Hilmican (Elsevier Science Bv, 2019)In this study, five new alkyl catechol derivatives, 1, 2, 3, 4 and 5 were isolated for the first time from Cirsium creticum subsp. creticum L. and their structures were determined by using spectroscopic techniques, including ... -
ANTIOXIDANT ACTIVITY OF PHENOLIC COMPOUNDS OF RED BEAN (Phaseolus vulgaris L.)
Orak, Hakime Hülya; Karamac, Magdalena; Amarowicz, Ryszard (Scibulcom Ltd, 2015)Antioxidant potential of seeds of commonly cultivated two read bean cultivars, namely Onceler and Mecidiye, was evaluated. The crude extracts of phenolic compounds were obtained using by 80% (v/v) methanol and acetone. The ... -
Antioxidant activity of phenolic compounds of red bean (Phaseolus vulgaris L.)
Orak, Hakime Hülya; Karamac, Magdalena; Amarowicz, Ryszard (Scibulcom Ltd., 2015)Antioxidant potential of seeds of commonly cultivated two read bean cultivars, namely Onceler and Mecidiye, was evaluated. The crude extracts of phenolic compounds were obtained using by 80% (v/v) methanol and acetone. The ... -
Antioxidant Activity, Some Nutritional and Colour Properties of Vacuum Dried Strawberry Tree (Arbutus Unedo L.) Fruite
Orak, Hakime Hülya; Aktaş, Türkan; Yağar, Hülya; İşbilir, Şebnem Selen; Ekinci, Neslihan; Şahin, Füsun H. (Termedia Publishing House Ltd, 2011)Background. The strawberry tree (Arbutus unedo L.) fruit contains a higher amount of nutrients and bioactive compounds than many other cultivated species, however, the edible use of this fruit is currently not widespread. ... -
Antioxidant and antidiabetic activities of hexane extract of Genista januensis var. lydia
Çakır, C.; Orak, Hakime Hülya; Argon, M.; Çalışkan, H.; Sabudak, Temine; Öztürk, M.; Güler, N. (Bulgarska Akademiya na Naukite, 2022)The genus Genista L. (Fabaceae) has been of interest for human beings since ancient times with its cosmopolitan distribution. Since ?-amylase and ?-glucosidase are the chief enzymes of diabetes mellitus, this study aims ... -
Antioxidant and Antimicrobial Activities of White, Green and Black Tea Extracts
Orak, Hakime Hülya; Yağar, Hülya; İşbilir, Şebnem Selen; Demirci, Ahmet Şükrü; Gümüş, Tuncay (Akademiai Kiado Zrt, 2013)In the present study, the antioxidant and antimicrobial activities of three tea (Camellia sinensis) types (white tea WT, green tea - GT, and black tea - BT) were compared and the relationships between total phenolic, tannin ... -
Antioxidant Potential and Phenolic Compounds of Some Widely Consumed Turkish White Bean (Phaseolus vulgaris L.) Varieties
Orak, Hakime Hülya; Karamac, Magdalena; Orak, Adnan; Amarowicz, Ryszard (De Gruyter Open Ltd, 2016)The antioxidant potential and phenolic compounds content were investigated in ten white bean varieties widely consumed in Turkey. Total phenolic contents of seeds varied between 0.33 and 0.63 mg GAE/g. The Trolox Equivalent ... -
BIOACTIVE COMPOUNDS, ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES OF TWO Cirsium SPECIES
Gülen, Dumrul; Şabudak, Temine; Orak, Hakime Hülya; Çalışkan, Hilmican; Özer, Merve (Wydawnictwo Akad Rolniczej W Lublinie, 2019)In the GC-MS analysis, 81 bioactive phytochemical compounds were identified in hexane extracts of Cirsium creticum and Cirsium italicum. Terpenoids constituted the main fractions of C. italicum (70.95%), while hydrocarbons ... -
Biological activity of new flavonoids and phenolic compounds from Cirsium italicum (Savi) DC.
Şabudak, Temine; Çalışkan, Hilmican; Orak, Hakime Hülya; Özer, Merve (Taylor & Francis Ltd, 2021)Cirsium italicum (Savi) DC. was researched for its phytochemicals for the first time. Two new biflavonoids, 5,5'',7''-trihydroxy-3,7-dimethoxy-4'-4'''-O-biflavone (3), (8,3',4',5'-tetrahydroxy-7-O-alpha-glucosyl ... -
Comparison of antioxidant activities of juice, peel, and seed of pomegranate (Punica granatum L.) and inter-relationships with total phenolic, Tannin, anthocyanin, and flavonoid contents
Orak, Hakime Hülya; Yağar, Hülya; İşbilir, Şebnem Selen (Korean Society Food Science & Technology-Kosfost, 2012)In this study, the antioxidant activities of juice, peel, and seed parts of pomegranate were investigated by using DPPH scavenging activity, beta-carotene bleaching method, reducing power, and metal chelating activity. ... -
DETERMINATION OF ANTIOXIDANT ACTIVITIES OF STRAWBERRY TREE (Arbutus unedo L.) FLOWERS AND FRUITS AT DIFFERENT RIPENING STAGES
İşbilir, Şebnem Selen; Orak, Hakime Hülya; Yağar, Hülya; Ekinci, Neslihan (Wydawnictwo Akad Rolniczej W Lublinie, 2012)In this study, the antioxidant activities of Strawberry tree (Arbutus unedo L.) flowers at flowering period and fruits during ripening period were investigated, along with some ripening characteristics such as color, ... -
Determination of antioxidant activities of strawberry tree (Arbutus unedo L.) flowers and fruits at different ripening stages
İşbilir, Şebnem Selen; Orak, Hakime Hülya; Yağar, Hülya; Ekinci, Neslihan (Wydawnictwo Akad Rolniczej W Lublinie, 2012)In this study, the antioxidant activities of Strawberry tree (Arbutus unedo L.) flowers at flowering period and fruits during ripening period were investigated, along with some ripening characteristics such as color, ... -
Determination of antioxidant properties of lyophilized olive leaf water extracts obtained from 21 different cultivars
Orak, Hakime Hülya; İşbilir, Şebnem Selen; Yağar, Hülya (Korean Society Food Science & Technology-Kosfost, 2012)The objective of this study was to compare the antioxidant activities of lyophilized olive leaf water extracts (OLWExtracts) from 21 different olive tree cultivars. The highest total phenolic content (102.69 +/- 1.63 mu g ... -
Determination of Glucose and Fructose Contents of Some Important Red Grape Varieties by HPLC
Orak, Hakime Hülya (Asian Journal Of Chemistry, 2009)Glucose, fructose and sucrose contents of 24 different red grape varieties (Vitis vinifera), grown in Turkey, were determined by using high-performance liquid chromatography. Among analyzed samples glucose content of ... -
Effects of Different Drying Methods on Drying Kinetics and Color Parameters of Strawberry Tree (Arbutus unedo L.) Fruit
Aktaş, Türkan; Orak, Hakime Hülya; Şahin, Füsun Hastürk; Ekinci, Neslihan (Namık Kemal Üniversitesi, Ziraat Fakültesi, 2013)Changing of drying kinetics and color parameters of strawberry tree fruits that were notreated (NPT), ethyl oleate pretreated (EO) and water blanched at 80 ºC (WB) for one minute were evaluated during hot air drying at 50 ... -
The effects of different drying methods on drying kinetics and color parameters of strawberry tree (Arbutus unedo L.) fruit
In this study, changing of drying kinetics and color parameters of halved and whole strawberry tree fruits were evaluated by using hot air drying at 50 °C, 60 °C and 70 °C and vacuum drying at 60 °C, 70 °C and 80 °C. Fruits ... -
Effects of different drying techniques on some nutritional components of tomato (lycopersicon esculentum)
In this research, four drying techniques were applied for tomato (Lycopersicon escuientum) namely, hot air drying using tunnel type dryer, vacuum drying, freeze drying and sun drying and changes of food components of the ...